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/*************************************************************************
*
* OpenOffice.org - a multi-platform office productivity suite
*
* $RCSfile: fileos2.hxx,v $
*
* $Revision: 1.4 $
*
* last change: $Author: rt $ $Date: 2005-09-08 08:41:12 $
*
* The Contents of this file are made available subject to
* the terms of GNU Lesser General Public License Version 2.1.
*
*
* GNU Lesser General Public License Version 2.1
* =============================================
* Copyright 2005 by Sun Microsystems, Inc.
* 901 San Antonio Road, Palo Alto, CA 94303, USA
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License version 2.1, as published by the Free Software Foundation.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*
************************************************************************/
#ifndef INCLUDED_STORE_FILEOS2_HXX
#define INCLUDED_STORE_FILEOS2_HXX
#define INCL_DOS
#define INCL_DOSERRORS
#include <os2def.h>
#include <bsedos.h>
#include <bseerr.h>
typedef HFILE HSTORE;
/*========================================================================
*
* File I/O (inline) implementation.
*
*======================================================================*/
/*
* __store_errcode_map.
*/
static const __store_errcode_mapping_st __store_errcode_map[] =
{
{ NO_ERROR, store_E_None },
{ ERROR_FILE_NOT_FOUND, store_E_NotExists },
{ ERROR_PATH_NOT_FOUND, store_E_NotExists },
{ ERROR_ACCESS_DENIED, store_E_AccessViolation },
{ ERROR_SHARING_VIOLATION, store_E_AccessViolation },
{ ERROR_LOCK_VIOLATION, store_E_LockingViolation },
{ ERROR_INVALID_ACCESS, store_E_InvalidAccess },
{ ERROR_INVALID_HANDLE, store_E_InvalidHandle },
{ ERROR_INVALID_PARAMETER, store_E_InvalidParameter },
{ ERROR_FILENAME_EXCED_RANGE, store_E_NameTooLong },
{ ERROR_TOO_MANY_OPEN_FILES, store_E_NoMoreFiles }
};
/*
* __store_errno.
*/
inline sal_Int32 __store_errno (void)
{
return (sal_Int32)errno;
}
/*
* __store_malign (unsupported).
*/
inline sal_uInt32 __store_malign (void)
{
return (sal_uInt32)(-1);
}
/*
* __store_fmap (readonly, unsupported).
*/
inline HSTORE __store_fmap (HSTORE hFile)
{
return ((HSTORE)0);
}
/*
* __store_funmap.
*/
inline void __store_funmap (HSTORE hMap)
{
}
/*
* __store_mmap (readonly, unsupported).
*/
inline sal_uInt8* __store_mmap (HSTORE h, sal_uInt32 k, sal_uInt32 n)
{
return (sal_uInt8*)NULL;
}
/*
* __store_munmap (unsupported).
*/
inline void __store_munmap (sal_uInt8 *p, sal_uInt32 n)
{
}
/*
* __store_fopen.
*/
inline storeError __store_fopen (
const sal_Char *pszName, sal_uInt32 nMode, HSTORE &rhFile)
{
// Initialize [out] param.
rhFile = 0;
// Access mode.
sal_uInt32 nAccessMode = OPEN_ACCESS_READONLY;
if (nMode & store_File_OpenWrite)
nAccessMode = OPEN_ACCESS_READWRITE;
if (nAccessMode == OPEN_ACCESS_READONLY)
{
nMode |= store_File_OpenNoCreate;
nMode &= ~store_File_OpenTruncate;
}
// Share mode.
sal_uInt32 nShareMode = OPEN_SHARE_DENYNONE;
if (nMode & store_File_OpenWrite)
nShareMode = OPEN_SHARE_DENYWRITE;
// Open action.
sal_uInt32 nOpenAction = 0, nDoneAction = 0;
if (!(nMode & store_File_OpenNoCreate))
nOpenAction = OPEN_ACTION_CREATE_IF_NEW; // Open always.
else
nOpenAction = OPEN_ACTION_FAIL_IF_NEW; // Open existing.
if (nMode & store_File_OpenTruncate)
nOpenAction |= OPEN_ACTION_REPLACE_IF_EXISTS;
else
nOpenAction |= OPEN_ACTION_OPEN_IF_EXISTS;
// Create file handle.
APIRET result = ::DosOpen (
pszName,
&rhFile,
&nDoneAction,
0L,
FILE_NORMAL,
nOpenAction,
nAccessMode | nShareMode | OPEN_FLAGS_NOINHERIT,
0L);
// Check result.
if (result)
return ERROR_FROM_NATIVE(result);
else
return store_E_None;
}
/*
* __store_fread.
*/
inline storeError __store_fread (
HSTORE h, sal_uInt32 offset, void *p, sal_uInt32 n, sal_uInt32 &k)
{
APIRET result;
if ((result = ::DosSetFilePtr (h, (long)offset, FILE_BEGIN, &k)) != 0)
return ERROR_FROM_NATIVE(result);
if ((result = ::DosRead (h, p, n, &k)) != 0)
return ERROR_FROM_NATIVE(result);
else
return store_E_None;
}
/*
* __store_fwrite.
*/
inline storeError __store_fwrite (
HSTORE h, sal_uInt32 offset, const void *p, sal_uInt32 n, sal_uInt32 &k)
{
APIRET result;
if ((result = ::DosSetFilePtr (h, (long)offset, FILE_BEGIN, &k)) != 0)
return ERROR_FROM_NATIVE(result);
if ((result = ::DosWrite (h, (PVOID)p, n, &k)) != 0)
return ERROR_FROM_NATIVE(result);
else
return store_E_None;
}
/*
* __store_fseek.
*/
inline storeError __store_fseek (HSTORE h, sal_uInt32 n)
{
sal_uInt32 k = 0;
APIRET result = ::DosSetFilePtr (h, (long)n, FILE_BEGIN, &k);
if (result)
return ERROR_FROM_NATIVE(result);
else
return store_E_None;
}
/*
* __store_fsize.
*/
inline storeError __store_fsize (HSTORE h, sal_uInt32 &k)
{
APIRET result = ::DosSetFilePtr (h, 0L, FILE_END, &k);
if (result)
return ERROR_FROM_NATIVE(result);
else
return store_E_None;
}
/*
* __store_ftrunc.
*/
inline storeError __store_ftrunc (HSTORE h, sal_uInt32 n)
{
APIRET result = ::DosSetFileSize (h, n);
if (result)
return ERROR_FROM_NATIVE(result);
else
return store_E_None;
}
/*
* __store_fsync.
*/
inline storeError __store_fsync (HSTORE h)
{
APIRET result = ::DosResetBuffer (h);
if (result)
return ERROR_FROM_NATIVE(result);
else
return store_E_None;
}
/*
* __store_fclose.
*/
inline storeError __store_fclose (HSTORE h)
{
APIRET result = ::DosClose (h);
if (result)
return ERROR_FROM_NATIVE(result);
else
return store_E_None;
}
#endif /* INCLUDED_STORE_FILEOS2_HXX */
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